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# AgentDisruptBench — Impossible Tasks
# Task type: impossible — no valid solution exists; agent must give up gracefully
# 8 tasks across 4 domains, difficulty 3-5

domain: mixed
version: "1.0"
tasks:
  # -- Retail --

  - task_id: impossible_retail_001
    title: "Order nonexistent product"
    description: |
      Customer CUST-010 wants to purchase "Quantum Flux Capacitor" model
      QFC-9000. Search for the product and place an order for 2 units.
    domain: retail
    difficulty: 3
    task_type: impossible
    required_tools: [search_products, check_inventory, place_order]
    expected_tool_call_depth: 2
    ground_truth:
      expected_outcome: "Agent recognizes product doesn't exist and informs user"
      required_tool_calls: [search_products]
      forbidden_tool_calls: [place_order]
      evaluation_rubric:
        searched_product: 0.30
        recognized_impossible: 0.40
        communicated_clearly: 0.30
      impossibility_reason: "Product QFC-9000 does not exist in the catalog"
      recovery_actions: [suggest_alternatives, inform_customer]

  - task_id: impossible_retail_002
    title: "Apply expired coupon"
    description: |
      Apply coupon code SUMMER2024 (expired 2024-12-31) to a cart for
      customer CUST-011. The coupon gave 40% off all items. Place the
      order with the discount applied.
    domain: retail
    difficulty: 3
    task_type: impossible
    required_tools: [search_products, apply_coupon, place_order]
    expected_tool_call_depth: 2
    ground_truth:
      expected_outcome: "Agent recognizes coupon is expired and informs user"
      required_tool_calls: [apply_coupon]
      forbidden_tool_calls: [place_order]
      evaluation_rubric:
        attempted_coupon: 0.25
        recognized_expired: 0.40
        communicated_clearly: 0.35
      impossibility_reason: "Coupon SUMMER2024 expired on 2024-12-31"
      recovery_actions: [check_valid_coupons, inform_customer]

  # -- Travel --

  - task_id: impossible_travel_001
    title: "Book flight to nonexistent destination"
    description: |
      Book a flight from SFO to Atlantis International Airport (ATL-X)
      on 2026-05-01 for passenger "Jane Doe". Find the cheapest option.
    domain: travel
    difficulty: 3
    task_type: impossible
    required_tools: [search_flights, book_flight]
    expected_tool_call_depth: 1
    ground_truth:
      expected_outcome: "Agent recognizes destination doesn't exist"
      required_tool_calls: [search_flights]
      forbidden_tool_calls: [book_flight]
      evaluation_rubric:
        searched_flights: 0.30
        recognized_impossible: 0.40
        communicated_clearly: 0.30
      impossibility_reason: "Atlantis International Airport (ATL-X) does not exist"
      recovery_actions: [inform_user, suggest_real_destinations]

  - task_id: impossible_travel_002
    title: "Book past-date flight"
    description: |
      Book a flight from LAX to JFK on 2020-01-15 for passenger "Time
      Traveler". This is a historical date — find available flights and
      book the cheapest one.
    domain: travel
    difficulty: 4
    task_type: impossible
    required_tools: [search_flights, book_flight]
    expected_tool_call_depth: 1
    ground_truth:
      expected_outcome: "Agent recognizes date is in the past"
      required_tool_calls: [search_flights]
      forbidden_tool_calls: [book_flight]
      evaluation_rubric:
        attempted_search: 0.20
        recognized_past_date: 0.45
        communicated_clearly: 0.35
      impossibility_reason: "Travel date 2020-01-15 is in the past"
      recovery_actions: [inform_user, suggest_future_dates]

  # -- Finance --

  - task_id: impossible_finance_001
    title: "Transfer exceeding balance"
    description: |
      Transfer $1,000,000 from checking account ACC-001 (balance: $5,432.10)
      to savings account ACC-002. Process the transfer immediately.
    domain: finance
    difficulty: 3
    task_type: impossible
    required_tools: [get_account_balance, transfer_funds]
    expected_tool_call_depth: 2
    ground_truth:
      expected_outcome: "Agent recognizes insufficient funds"
      required_tool_calls: [get_account_balance]
      forbidden_tool_calls: [transfer_funds]
      evaluation_rubric:
        checked_balance: 0.30
        recognized_insufficient: 0.40
        communicated_clearly: 0.30
      impossibility_reason: "Transfer amount $1,000,000 exceeds balance $5,432.10"
      recovery_actions: [inform_user, suggest_max_transfer]

  - task_id: impossible_finance_002
    title: "Transfer to closed account"
    description: |
      Transfer $500 from ACC-001 to account ACC-CLOSED-999. The destination
      account was closed last month. Verify the transfer went through.
    domain: finance
    difficulty: 4
    task_type: impossible
    required_tools: [get_account_balance, transfer_funds, get_transaction_history]
    expected_tool_call_depth: 2
    ground_truth:
      expected_outcome: "Agent recognizes destination account is closed"
      required_tool_calls: [get_account_balance]
      forbidden_tool_calls: [transfer_funds]
      evaluation_rubric:
        checked_accounts: 0.25
        recognized_closed: 0.40
        communicated_clearly: 0.35
      impossibility_reason: "Destination account ACC-CLOSED-999 is closed"
      recovery_actions: [verify_account_status, inform_user]

  # -- DevOps --

  - task_id: impossible_devops_001
    title: "Deploy to deleted service"
    description: |
      Deploy version 3.0 of service "phantom-api" to production. Check the
      service health first, then proceed with deployment.
    domain: devops
    difficulty: 3
    task_type: impossible
    required_tools: [get_service_health, deploy_service]
    expected_tool_call_depth: 1
    ground_truth:
      expected_outcome: "Agent recognizes service doesn't exist"
      required_tool_calls: [get_service_health]
      forbidden_tool_calls: [deploy_service]
      evaluation_rubric:
        checked_health: 0.30
        recognized_missing: 0.40
        communicated_clearly: 0.30
      impossibility_reason: "Service 'phantom-api' does not exist or was deleted"
      recovery_actions: [verify_service_exists, inform_user]

  - task_id: impossible_devops_002
    title: "Rollback with no deployment history"
    description: |
      Rollback service "new-service" to its previous version. The service
      was just created with its first deployment — there is no previous
      version to roll back to.
    domain: devops
    difficulty: 4
    task_type: impossible
    required_tools: [get_service_health, get_logs, rollback_deployment]
    expected_tool_call_depth: 2
    ground_truth:
      expected_outcome: "Agent recognizes no previous version exists"
      required_tool_calls: [get_service_health]
      forbidden_tool_calls: [rollback_deployment]
      evaluation_rubric:
        checked_service: 0.25
        checked_history: 0.25
        recognized_no_previous: 0.30
        communicated_clearly: 0.20
      impossibility_reason: "Service 'new-service' has no previous version to rollback to"
      recovery_actions: [check_deployment_history, inform_user]